﻿// Copyright (c) 2014 AlphaSierraPapa for the SharpDevelop Team
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this
// software and associated documentation files (the "Software"), to deal in the Software
// without restriction, including without limitation the rights to use, copy, modify, merge,
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
// to whom the Software is furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Controls;
using System.Windows.Input;
using System.Windows.Data;
using System.Windows;
using Goat.Controls.TreeView;

namespace Goat.Controls.TreeView.Controls
{
    class EditTextBox : TextBox
    {
        static EditTextBox()
        {
            DefaultStyleKeyProperty.OverrideMetadata(typeof(EditTextBox),
                new FrameworkPropertyMetadata(typeof(EditTextBox)));
        }

        public EditTextBox()
        {
            Loaded += delegate { Init(); };
        }

        public SharpTreeViewItem Item { get; set; }

        public SharpTreeNode Node
        {
            get { return Item.Node; }
        }

        void Init()
        {
            Text = Node.LoadEditText();
            Focus();
            SelectAll();
        }

        protected override void OnKeyDown(KeyEventArgs e)
        {
            if (e.Key == Key.Enter)
            {
                Commit();
            }
            else if (e.Key == Key.Escape)
            {
                Node.IsEditing = false;
            }
        }

        protected override void OnLostKeyboardFocus(KeyboardFocusChangedEventArgs e)
        {
            if (Node.IsEditing)
            {
                Commit();
            }
        }

        bool commiting;

        void Commit()
        {
            if (!commiting)
            {
                commiting = true;

                Node.IsEditing = false;
                if (!Node.SaveEditText(Text))
                {
                    Item.Focus();
                }
                Node.RaisePropertyChanged("Text");

                //if (Node.SaveEditText(Text)) {
                //    Node.IsEditing = false;
                //    Node.RaisePropertyChanged("Text");
                //}
                //else {
                //    Init();
                //}

                commiting = false;
            }
        }
    }
}
